Hi, I reckon it's the usual 1ltr between the two marks and I rarely check mine.
The oil at max immediately after a service generally lasts right round to the next service and oil change, in my case 10/12000 miles annually.
If there is insufficient oil in the engine there is the orange warning light that comes on to tell you.
This happened to me this time around just prior to my last service, having done 17,000 miles since. I topped up the oil level by a tad just before my Spain/Portugal trip.... and did 6000 miles in those 5 weeks, some of it heavy, fast motoring which actually used the oil .... for its correct purpose eh !
It never drops below the minimum.
Hope this helps to put your mind at rest.
Malc